int imin(int n, int m);

int imax(int n, int m);

int exercise_04(int a, int b);

int exercise_05(double a, double b);

void alter(int *x, int *y);

void salami(int num);

int exercise_08(int a, int b, int c);

void exercise_09a();

int exercise_09b(int min, int max);

void exercise_09c();